The river is too wide for the swimmers________.
| A．to swim | B．to swim in |
| C．to swim across | D．swimming |
— I can’t decide __________or not I should encourage my son to be a volunteer.
— Why not? It will make him more helpful.
| A．if | B．whether |
| C．how | D．why |
---I seem to be lost. Could you tell me _____?
---Sure. You can take the No.3 bus to get there.
| A．where is the nearest hospital |
| B．how long it will take me to the airport |
| C．how far is my trip to the Olympic Village |
| D．how I can get to the National Museum |
--- What did Mike say?
---- He said ______.
| A．if you are free the next week |
| B．what color was it |
| C．the weather is fine |
| D．he was late for school yesterday. |
Tom asked my friend ________.
| A．where was he from |
| B．that the earth is bigger than the moon |
| C．when did he came back |
| D．not to be so angry |
It is clever ______ you ______ out the problem.
| A．for; to work | B．of; working |
| C．for; working | D．of; to work |